Alternator Service

Mechanic working on car engine, inspecting the alternator.

Amp Up Your Ride: Alternator Services You Can Trust!


Your alternator is part of your charging system. It works with your battery to supply power to your electrical system. If your alternator fails, your vehicle won’t run. Southgate Automotive alternator service can help repair or replace your alternator if necessary.

How Does an Alternator Work?

The alternator uses the rotor assembly, drive belt, and other engine components to transform mechanical energy into electrical energy. The name of this process is electromagnetic induction, and it works through stator winding coils and agents. 


Electrical devices such as headlights, power steering, and window motors are all powered through the alternator and battery. 


The primary parts of an alternator include: 

  • Stator: A set of fixed wire windings that help create alternating current
  • Rotor: The rotating component that spins with the drive belt 
  • Bridge rectifier: Converts alternating current into direct current 
  • Voltage regulator: Maintains the charging system voltage at optimal levels 
  • Pulleys: Transfer mechanical energy from the engine to the alternator
  • Bearings: Create smooth rotation and reduce friction
  • Slip rings: Transmit electrical current to the electrical system
  • Cooling fan: Prevents alternator from overheating


Warning Signs Your Alternator May Need Service or Replacement

A failing alternator can cause your electrical systems to fail. If you notice any of the following signs, bring your vehicle into Southgate Automotive immediately for inspection and diagnostics. 


Dimming Headlights

An alternator that’s losing charging efficiency may demonstrate a voltage drop. One place you might notice this is in your headlights. They might appear dimmer than usual or flicker, especially if you use other electrical components in your vehicle or rev the engine. 


Warning Lights

The battery light in your vehicle may switch on when your alternator starts to fail. This indicates a lack of power generation, so bring your vehicle to Southgate Automotive to check for electrical faults. 


Electrical Failures

If your electrical components start to fail — power locks, power windows, the radio — you should suspect your alternator as the source of the problem. They may not fail completely, so as soon as you notice they’re not working the way they should be, contact Southgate Automotive to schedule an appointment. 


Problems With Your Battery

Signs of a failing alternator can look like problems with your battery. However, if battery charging doesn’t resolve the problem, it may be your alternator. This is especially true if you have a relatively new battery that should have good battery health. A failing alternator won’t recharge the battery the way it should. 


Strange Noises 

Grinding or whining noises may indicate that the internal bearings in your alternator are wearing out. If you hear these noises, particularly combined with any other signs listed, give Southgate Automotive a call to schedule an appointment. 


Burning Smell

As an alternator fails, it can overheat because the damaged components aren’t working. A burnt-out alternator will ground your vehicle, so come in as soon as you notice this smell. 


Flickering Internal Lights

As with other electrical components, the dashboard lights might flicker, dim, or work unreliably if your alternator starts to fail. This is another sign you should bring your vehicle in to Southgate Automotive for inspection. 


Poor Engine Performance

Rough idling, difficult starting, misfires, or trouble accelerating can be caused by an alternator that’s not adequately charging the battery. The starter motor needs sufficient power to turn over. 


Warning Lights

Many modern vehicles can perform rudimentary self-diagnosis and will give you a message that your alternator isn’t working effectively. The message may indicate an issue with the charging system in general rather than the alternator in particular. Regardless of the specifics, schedule a service visit at Southgate Automotive to have it checked out. 


Come See Southgate Automotive for Alternator Repair or Service

We’re proud to serve the Reno, NV area as the premiere destination for all types of vehicle services. Whether you need a complete alternator replacement, an oil change, or any other type of vehicle preventative maintenance or repair, we’re here to help. Give us a call at (775) 825-1919 or stop in to see us at 5303 Louie Ln #3, Reno, NV 89511 to schedule an appointment.